Joe Marshall and Frank Washington are two tenacious police detectives who seek at all costs to stop the Katana, a renegade Yakuza gang composed of violent and sadistic killers who want to lead the drug trade in Los Angeles.

When their country is invaded and their families are taken, eight unlikely teenagers band together to fight.

Vicaria is a brilliant teenager who believes death is a disease that can be cured. After the brutal murder of her brother, she embarks on a dangerous journey to bring him back to life.